A deep-sea photoelectric separator with a quick disassembly and assembly structure and a disassembly and assembly method

Abstract

The present invention discloses a deep-sea photoelectric separator with a quick disassembly and assembly structure and a disassembly and assembly method. The deep-sea photoelectric separator includes: a vulcanized layer, a cabin penetration piece, a first end cover, a shell, a splicing bracket, a fiber coil box, an insulating positioning piece, a second end cover, a high-voltage electrical connector, an optical connector and a low-voltage electrical connector. The first end cover and the second end cover are arranged at both ends of the inner cavity of the shell, the splicing bracket is arranged in the shell and connected between the first end cover and the second end cover, the cabin penetration piece is arranged on the first end cover, the insulating positioning piece is arranged in the splicing bracket, the vulcanized layer is sleeved on the cabin penetration piece and extends to the optical cable outside the cabin penetration piece, the first end cover and the second end cover are connected as a whole through the splicing bracket, the structure is stable, and it is convenient to assemble and fix with the shell, and it is also relatively convenient to disassemble and maintain. It has the function of water leakage detection, and improves the sealing and reliability.

Description

Technical Field

[0001] The present invention relates to the field of deep-sea photoelectric separators, and in particular to a deep-sea photoelectric separator with a quick disassembly and assembly structure and a disassembly and assembly method. Background Art

[0002] In the marine sector, the application of underwater towed systems is indispensable, with a wide range of applications in both military and civilian fields. In the military field, by configuring active or passive sonar in the underwater towed body, it is possible to effectively detect, classify, locate, and track underwater targets, realizing functions such as target early warning, sea area monitoring, underwater navigation, and water rescue. In the civilian field, by configuring acoustic, magnetic, optical, and electrical detection equipment in the underwater towed body, it can realize functions such as marine hydrographic surveys, geological and geomorphological surveys, and offshore oil exploration. In addition, the underwater towed body equipped with corresponding underwater operation equipment can realize functions such as underwater construction.

[0003] Photoelectric separators are used in ship towing systems, which typically consist of an armored cable assembly, a lifeboat, a surface vessel winch, and a main control system. The photoelectric separator connects the lifeboat to the remote-controlled mother ship and provides power and signal transmission between the rescue bell and the mother ship. It must also possess retractable and load-bearing capabilities while maintaining excellent watertightness.

[0004] In the prior art, the invention patent with authorization announcement number CN106300223B discloses an underwater photoelectric separation structure, and the invention patent application with application publication number CN105811350A discloses an underwater photoelectric separation connection cavity and its connection method. It can be seen that the existing photoelectric separator adapter cable is usually in the form of an ordinary submarine optical cable or optical cable, and has a low water depth requirement and cannot adapt to the 1000-meter water depth requirement of the underwater towing system. Moreover, it has a complex structure, is inconvenient to disassemble and assemble, has poor maintenance convenience, and the connection reliability and stability cannot adapt to complex sea conditions. Summary of the Invention

[0005] The main technical problem solved by the present invention is to provide a deep-sea photoelectric separator with a quick disassembly and assembly structure and a disassembly and assembly method, which improves the sealing, reliability and convenience of disassembly and assembly maintenance, and meets the water depth requirement of 1000 meters for underwater detection systems.

[0006] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide a deep-sea photoelectric separator with a quick disassembly and assembly structure, including: a sulfide layer 2, a cabin penetration piece 5, a first end cover 6, a shell 7, a splicing bracket 8, a fiber coil box 9, an insulating positioning piece 10, a second end cover 12, a high-voltage electrical connector 13, an optical connector 14 and a low-voltage electrical connector 15, the first end cover 6 and the second end cover 12 are arranged at both ends of the inner cavity of the shell 7, the splicing bracket 8 is arranged in the shell 7 and connected between the first end cover 6 and the second end cover 12, the cabin penetration piece 5 is arranged on the first end cover 6, the optical cable 1 extends into the shell 7 through the cabin penetration piece 5, and the optical cable 1 is provided with an electrical connector whose end is located in the shell 7. Unit 21 and optical unit 22, the high-voltage electrical connector 13, optical connector 14 and low-voltage electrical connector 15 are respectively arranged on the second end cover 12, the fiber coil box 9 is arranged in the splicing bracket 8, for connecting the optical unit 22 with the optical connector 14, the insulating positioning member 10 is arranged in the splicing bracket 8, for connecting and positioning the electrical unit 21 with the high-voltage electrical connector 13 and the low-voltage electrical connector 15, the two ends of the penetration member 5 are respectively provided with threaded holes, the threaded holes are provided with cable locking nuts 3 and sealing plugs 4 sleeved on the optical cable 1, the sealing plug 4 is squeezed by the cable locking nut 3 to seal the optical cable 1, the vulcanized layer 2 is sleeved on the penetration member 5 and extends to the optical cable 1 outside the penetration member 5.

[0007] In a preferred embodiment of the present invention, the insulating positioning member 10 includes a mounting plate 101 and a cover plate 102 . The mounting plate 101 is provided with positioning grooves corresponding to the electrical units 21 . The cover plate 102 is provided on the mounting plate 101 to press the electrical units 21 .

[0008] In a preferred embodiment of the present invention, the splicing bracket 8 includes a first curved panel 81 and a second curved panel 82 , and the first curved panel 81 and the second curved panel 82 symmetrically form a cylindrical structure.

[0009] In a preferred embodiment of the present invention, an arc-shaped water leakage detection plate 11 is provided on the inner side of the first end cover 6 or the second end cover 12, and the water leakage detection plate 11 is fixed by a first fixing screw 18. The water leakage detection plate 11 is provided with monitoring points A and B connected to the base and collector of the transistor.

[0010] In a preferred embodiment of the present invention, the first end cover 6 and the second end cover 12 are respectively provided with connecting parts extending into the splicing bracket 8 on the inner sides, and an annular groove is provided on the connecting part. The end of the splicing bracket 8 is provided with a snap ring 29 that is engaged with the annular groove. The splicing bracket 8 is provided with a second fixing screw 19 connected to the connecting part of the second end cover 12 and a third fixing screw 23 connected to the connecting part of the first end cover 6.

[0011] In a preferred embodiment of the present invention, the splicing bracket 8 is provided with a fourth fixing screw 20 for fixing the fiber tray box 9 and the insulating positioning member 10 .

[0012] In a preferred embodiment of the present invention, a first flange 30 in contact with the corresponding end of the shell 7 is provided on the first end cover 6, a fifth fixing screw 25 connected to the corresponding end of the shell 7 is provided on the first flange 30, a mounting hole 28 pointing to the outer circle of the second end cover 12 is provided on the side of the shell 7, a pin 16 connected to the outer circle of the second end cover 12 is provided in the mounting hole 28, a first sealing ring 24 in contact with the inner wall of the shell 7 is provided on the outer circle of the first end cover 6, and a second sealing ring 17 in contact with the inner wall of the shell 7 is provided on the outer circle of the second end cover 12.

[0013] In a preferred embodiment of the present invention, the cabin penetration member 5 is provided with a second flange 31 located on the outside of the first end cover 6, the second flange 31 is provided with a sixth fixing screw 26 connected to the first end cover 6, the first end cover 6 is provided with a socket 32 ​​corresponding to the cabin penetration member 5, and the cabin penetration member 5 is provided with a third sealing ring 27 in contact with the inner wall of the socket 32.

[0014] In order to solve the above technical problems, another technical solution adopted by the present invention is to provide a method for disassembling and assembling a deep-sea photoelectric separator, comprising the following assembly steps:

[0015] Install the cable nut 3, sealing plug 4 and cabin penetration piece 5 at one end of the optical cable 1, strip the end of the optical cable 1 to expose the electrical unit 21 and the optical unit 22, and tighten the cable nut 3 at both ends of the cabin penetration piece 5. The cable nut 3 applies a pre-tightening force to the sealing plug 4 to achieve the fixation and sealing of the cabin penetration piece 5 on the optical cable 1. Polish a section of the outer circle of the optical cable 1 located outside the cabin penetration piece 5 and place it in a mold for vulcanization to obtain a vulcanized layer 2 covering the connection between the cabin penetration piece 5 and the optical cable 1;

[0016] Install the third sealing ring 27 on the piercing member 5, insert it into the insertion hole 32 of the first end cover 6, and fix it with the sixth fixing screw 26;

[0017] Install the water leakage detection plate 11, high-voltage electrical connector 13, optical connector 14 and low-voltage electrical connector 15 on the second end cover 12, and connect the first end cover 6 and the second end cover 12 through the first arc panel 81;

[0018] Connect the electrical unit 21 to the corresponding high-voltage electrical connector 13 and low-voltage electrical connector 15, and protect the connection with an insulating heat shrink tube. Place the electrical unit 21 in the positioning groove on the mounting plate 101, and install the cover plate 102 on the mounting plate 101 to limit the electrical unit 21 one by one.

[0019] Connect the optical unit 22 and the optical connector 14 through the fiber tray 9, then install the second curved panel 82, and install the second fixing screws 19 and the third fixing screws 23 to complete the fixation of the first end cover 6, the splicing bracket 8 and the second end cover 12;

[0020] Push the second end cover 12 and the first end cover 6 into the housing 7 , fix the first end cover 6 to the end of the housing 7 with the fifth fixing screw 25 , and fix the second end cover 12 in the housing 7 with the installation pin 16 .

[0021] In a preferred embodiment of the present invention, the following disassembly steps are also included:

[0022] Remove the pin 16 and the fifth fixing screw 25, and pull the second end cover 12 and the first end cover 6 out of the housing 7;

[0023] The second arc panel 82 is opened to expose the insulating positioning member 10 and the fiber tray box 9, and maintenance of the optical unit 22 or the electrical unit 21 is performed.

[0024] The beneficial effects of the present invention are: the present invention points out a deep-sea photoelectric separator with a quick disassembly and assembly structure and a disassembly and assembly method, the first end cover 6 and the second end cover 12 are connected as a whole through the splicing bracket 8, the structure is stable, and it is convenient to assemble and fix with the shell 7, and the disassembly and maintenance are also relatively convenient. The connection between the cabin penetration part 5 and the optical cable 1 is sealed by the vulcanized layer 2 to improve the sealing performance, meet the use requirements of a large water depth of 1000 meters, and also have a water leakage detection function, meet the use requirements of a maximum withstand voltage of 9kV, and have high reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive work, among which:

[0026] Figure 1 This is a structural schematic diagram of a preferred embodiment of a deep-sea photoelectric separator with a quick disassembly and assembly structure according to the present invention;

[0027] Figure 2 yes Figure 1 Exploded diagram;

[0028] Figure 3 yes Figure 1 A schematic structural diagram of the middle insulating positioning member 10;

[0029] Figure 4 yes Figure 1 A schematic structural diagram of the water leakage detection plate 11;

[0030] Figure 5 This is a structural schematic diagram of a preferred embodiment of a method for disassembling and assembling a deep-sea photoelectric separator according to the present invention after the sulfide layer 2 is formed;

[0031] Figure 6 This is a structural diagram of connecting the first end cover 6 and the second end cover 12 via the first curved panel 81 in a method for disassembling and assembling a deep-sea photoelectric separator according to the present invention;

[0032] Figure 7 This is a schematic structural diagram of a method for disassembling and assembling a deep-sea photoelectric separator according to the present invention after the second arc panel 82 is installed;

[0033] Figure 8 A schematic structural diagram of a method for disassembling and assembling a deep-sea photoelectric separator according to the present invention after the housing 7 is installed. DETAILED DESCRIPTION

[0034] The following is a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0035] See also Figures 1 to 8 , embodiments of the present invention include:

[0036] like Figure 1 The deep-sea photoelectric separator shown has a quick disassembly and assembly structure, which is used for the connection and photoelectric separation of the optical cable 1, and includes: a vulcanized layer 2, a cabin penetration part 5, a first end cover 6, a shell 7, a splicing bracket 8, a fiber coil box 9, an insulating positioning part 10, a second end cover 12, a high-voltage electrical connector 13, an optical connector 14 and a low-voltage electrical connector 15. The first end cover 6 and the second end cover 12 are arranged at both ends of the inner cavity of the shell 7, and the splicing bracket 8 is arranged in the shell 7 and connected between the first end cover 6 and the second end cover 12. The first end cover 6 and the second end cover 12 are connected as a whole through the splicing bracket 8. The structure is stable, convenient for assembly and fixation with the shell 7, and disassembly and maintenance are also relatively convenient.

[0037] The piercing member 5 is arranged on the first end cover 6, and the optical cable 1 extends into the housing 7 through the piercing member 5. Figure 3 As shown, threaded holes are provided at both ends of the penetration member 5, and a cable lock nut 3 and a sealing plug 4 are provided in the threaded holes, which are sleeved on the optical cable 1. The sealing plug 4 is squeezed by the cable lock nut 3 to seal the optical cable 1 and ensure a deep-sea sealing effect.

[0038] The vulcanized layer 2 is sleeved on the penetration piece 5 and extends to the optical cable 1 outside the penetration piece 5. The vulcanized layer 2 is used to seal the connection between the penetration piece 5 and the optical cable 1, further improving the sealing performance and meeting the use requirements of a water depth of 1000 meters.

[0039] Furthermore, the piercing member 5 is provided with a second flange 31 located outside the first end cap 6. Sixth fixing screws 26 are provided on the second flange 31 to connect with the first end cap 6, facilitating assembly and ensuring a secure structure. The first end cap 6 is provided with a socket 32 ​​corresponding to the piercing member 5. A third sealing ring 27 is provided on the piercing member 5, contacting the inner wall of the socket 32 ​​to further enhance waterproof sealing.

[0040] like Figure 1 As shown, optical cable 1 is provided with an electrical unit 21 and an optical unit 22, the ends of which are located in housing 7, for optical-electrical separation. A high-voltage electrical connector 13, an optical connector 14, and a low-voltage electrical connector 15 are respectively provided on second end cap 12. A fiber tray 9 is provided in splicing bracket 8 for connecting optical unit 22 and optical connector 14. Operation is simple, and the maximum fiber capacity is 12, meeting most usage requirements.

[0041] The insulating positioning piece 10 is set in the splicing bracket 8 for connecting and positioning the electrical unit 21 with the high-voltage electrical connector 13 and the low-voltage electrical connector 15, as shown in FIG. Figure 3 As shown, the insulating positioning member 10 includes a mounting plate 101 and a cover plate 102 . The mounting plate 101 is provided with positioning grooves corresponding to the electrical units 21 one by one, so as to isolate the electrical units 21 one by one.

[0042] The cover plate 102 is placed on the mounting plate 101 to secure the electrical unit 21. A seventh fixing screw 103 is provided on the cover plate 102, connecting it to the mounting plate 101 and ensuring structural stability. Both the mounting plate 101 and the cover plate 102 are made of PEEK, a material with a high dielectric constant, to enhance insulation protection for the electrical unit 21 and meet the maximum withstand voltage requirement of 9kV.

[0043] like Figure 2 As shown, the splicing bracket 8 includes a first curved panel 81 and a second curved panel 82, which symmetrically form a cylindrical structure. Connecting portions extending into the splicing bracket 8 are provided on the inner sides of the first end cap 6 and the second end cap 12, respectively. These connecting portions are provided with an annular groove, and a snap ring 29 is provided at the end of the splicing bracket 8 to engage with the annular groove, facilitating assembly and providing excellent tensile strength.

[0044] The splicing bracket 8 is provided with a second fixing screw 19 connected to the connection portion of the second end cap 12 and a third fixing screw 23 connected to the connection portion of the first end cap 6, thereby connecting the first end cap 6 and the second end cap 12 to improve the integrity of the splicing bracket 8. In addition, the splicing bracket 8 is provided with a fourth fixing screw 20 that fixes the fiber tray box 9 and the insulating spacer 10, preventing them from shaking and improving the structural stability and reliability.

[0045] In this embodiment, the first end cover 6 is provided with a first flange 30 in contact with the corresponding end of the shell 7 , and the first flange 30 is provided with a fifth fixing screw 25 connected to the corresponding end of the shell 7 to fix the first end cover 6 .

[0046] A mounting hole 28 pointing toward the outer circumference of the second end cap 12 is provided on the side of the housing 7. A pin 16 connected to the outer circumference of the second end cap 12 is provided in the mounting hole 28 to secure the second end cap 12. The maximum diameter of the outer circumference of the second end cap 12 is no larger than the inner diameter of the housing 7, allowing the second end cap 12 to pass through the housing 7, improving the convenience of assembly and disassembly. A first sealing ring 24 is provided on the outer circumference of the first end cap 6, which contacts the inner wall of the housing 7. A second sealing ring 17 is provided on the outer circumference of the second end cap 12, which contacts the inner wall of the housing 7. This improves the sealing performance of the connection and meets the requirements of deep-sea use.

[0047] In order to detect water leakage, an arc-shaped water leakage detection plate 11 is provided inside the first end cover 6 or the second end cover 12, and the water leakage detection plate 11 is fixed by a first fixing screw 18. Figure 4 As shown, the water leakage detection board 11 is provided with monitoring points A and B connected to the base and collector of the transistor. When a water leakage occurs, water enters the shell 7, and the resistance between monitoring points A and B drops sharply. The emitter of the transistor will send a high-level signal. After receiving the high-level signal, the back-end judgment circuit determines that the equipment is leaking, triggers the protection mechanism, and performs salvage and maintenance on the shell 7.

[0048] A method for disassembling and assembling a deep-sea photoelectric separator includes the following assembly steps:

[0049] like Figure 5 As shown, a cable nut 3, a sealing plug 4, and a cabin penetration piece 5 are installed at one end of the optical cable 1. The end of the optical cable 1 is stripped to expose the electrical unit 21 and the optical unit 22. The cable nut 3 is then tightened at both ends of the cabin penetration piece 5. The cable nut 3 applies a pre-tightening force to the sealing plug 4 to secure and seal the cabin penetration piece 5 on the optical cable 1. A section of the outer diameter of the optical cable 1 located outside the cabin penetration piece 5 is polished and placed in a mold for vulcanization to obtain a vulcanized layer 2 covering the connection between the cabin penetration piece 5 and the optical cable 1.

[0050] Install the third sealing ring 27 on the piercing member 5 and insert it into the insertion hole 32 of the first end cover 6, and fix it with the sixth fixing screw 26 to ensure a stable structure.

[0051] Install the water leakage detection board 11, high-voltage electrical connector 13, optical connector 14 and low-voltage electrical connector 15 on the second end cover 12, and connect the first end cover 6 and the second end cover 12 through the first arc panel 81 to facilitate subsequent electrical and optical connections;

[0052] like Figure 6 As shown, the electrical unit 21 is connected to the corresponding high-voltage electrical connector 13 and low-voltage electrical connector 15, and the connection is protected by an insulating heat shrink tube. The electrical unit 21 is placed in the positioning groove on the mounting plate 101, especially the portion of the insulating heat shrink tube is placed in the positioning groove to provide double insulation protection to meet the maximum withstand voltage requirement of 9kV. The cover plate 102 is installed on the mounting plate 101 to limit the electrical unit 21 one by one and improve reliability.

[0053] Connect the optical unit 22 and the optical connector 14 through the fiber tray 9, then install the second arc panel 82, and install the second fixing screw 19 and the third fixing screw 23, as shown in FIG. Figure 7 As shown, the fixing of the first end cover 6, the splicing bracket 8 and the second end cover 12 is completed;

[0054] like Figure 8 As shown, push the second end cover 12 and the first end cover 6 into the housing 7, fix the first end cover 6 to the end of the housing 7 by the fifth fixing screw 25, and fix the second end cover 12 in the housing 7 by installing the pin 16. The operation is simple and the structure is reliable.

[0055] Disassembly steps:

[0056] like Figure 2 As shown, remove the pin 16 and the fifth fixing screw 25, and pull the second end cover 12 and the first end cover 6 out of the housing 7;

[0057] The second arc panel 82 is opened to expose the insulating positioning member 10 and the fiber coil box 9, so that the optical unit 22 or the electrical unit 21 can be maintained, thereby improving the convenience of disassembly and maintenance.

[0058] In summary, the present invention points out a deep-sea photoelectric separator with a quick disassembly and assembly structure and a disassembly and assembly method, which adopts an integral pressure-bearing structure, has a compact structure, reliable connection, good sealing, meets the use requirements of a large water depth of 1000 meters, has a water leakage detection function, and optimizes the insulation design to meet the maximum withstand voltage requirement of 9kV. It is also easy to disassemble and assemble, and is convenient for offshore maintenance operations.

[0059] The above are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A deep-sea photoelectric separator with a quick disassembly structure, used for connecting and photoelectrically separating optical cables (1), characterized in that: include: A vulcanized layer (2), a cabin penetration member (5), a first end cover (6), a shell (7), a splicing bracket (8), a fiber coil box (9), an insulating positioning member (10), a second end cover (12), a high-voltage electrical connector (13), an optical connector (14) and a low-voltage electrical connector (15), wherein the first end cover (6) and the second end cover (12) are arranged at both ends of the inner cavity of the shell (7), the splicing bracket (8) is arranged in the shell (7) and connected between the first end cover (6) and the second end cover (12), the cabin penetration member (5) is arranged on the first end cover (6), the optical cable (1) extends into the shell (7) through the cabin penetration member (5), and the optical cable (1) An electrical unit (21) and an optical unit (22) are provided with ends located in a housing (7), the high-voltage electrical connector (13), the optical connector (14) and the low-voltage electrical connector (15) are respectively provided on the second end cover (12), the fiber tray box (9) is provided in a splicing bracket (8) for connecting the optical unit (22) and the optical connector (14), the insulating positioning member (10) is provided in the splicing bracket (8) for connecting and positioning the electrical unit (21) and the high-voltage electrical connector (13) and the low-voltage electrical connector (15), and threaded holes are provided at both ends of the cabin penetration member (5), wherein a locking cable sleeved on the optical cable (1) is provided in the threaded hole. The nut (3) and the sealing plug (4) are used to seal the optical cable (1) by squeezing the sealing plug (4) through the cable locking nut (3). The vulcanized layer (2) is sleeved on the cabin penetration member (5) and extends to the optical cable (1) outside the cabin penetration member (5). The first end cover (6) and the second end cover (12) are respectively provided with a connecting portion extending into the splicing bracket (8) on the inner side. The connecting portion is provided with an annular groove. The end of the splicing bracket (8) is provided with a snap ring (29) engaged with the annular groove. The splicing bracket (8) is provided with a second fixing screw (19) connected to the connecting portion of the second end cover (12) and a first screw connected to the connecting portion of the first end cover (6). Three fixing screws (23), the first end cover (6) is provided with a first flange (30) in contact with the corresponding end of the shell (7), the first flange (30) is provided with a fifth fixing screw (25) connected to the corresponding end of the shell (7), the side of the shell (7) is provided with a mounting hole (28) pointing to the outer circle of the second end cover (12), the mounting hole (28) is provided with a pin (16) connected to the outer circle of the second end cover (12), the outer circle of the first end cover (6) is provided with a first sealing ring (24) in contact with the inner wall of the shell (7), and the outer circle of the second end cover (12) is provided with a second sealing ring (17) in contact with the inner wall of the shell (7).

2. The deep-sea photoelectric separator with a quick disassembly structure according to claim 1 is characterized in that: The insulating positioning member (10) comprises a mounting plate (101) and a cover plate (102); the mounting plate (101) is provided with positioning grooves corresponding one to one with the electric units (21); the cover plate (102) is arranged on the mounting plate (101) to press and fix the electric units (21).

3. The deep-sea photoelectric separator with a quick disassembly structure according to claim 1, characterized in that: The splicing bracket (8) comprises a first curved panel (81) and a second curved panel (82), wherein the first curved panel (81) and the second curved panel (82) symmetrically form a cylindrical structure.

4. The deep-sea photoelectric separator with a quick disassembly structure according to claim 1, characterized in that: An arc-shaped water leakage detection plate (11) is provided on the inner side of the first end cover (6) or the second end cover (12), and the water leakage detection plate (11) is fixed by a first fixing screw (18). A monitoring point A and a monitoring point B connected to the base and collector of the transistor are provided on the water leakage detection plate (11).

5. The deep-sea photoelectric separator with a quick disassembly structure according to claim 2, characterized in that: The splicing bracket (8) is provided with a fourth fixing screw (20) for fixing the fiber coil box (9) and the insulating positioning member (10).

6. The deep-sea photoelectric separator with a quick disassembly structure according to claim 1, characterized in that: The piercing member (5) is provided with a second flange (31) located outside the first end cover (6), the second flange (31) is provided with a sixth fixing screw (26) connected to the first end cover (6), the first end cover (6) is provided with a socket (32) corresponding to the piercing member (5), and the piercing member (5) is provided with a third sealing ring (27) in contact with the inner wall of the socket (32).

7. A method for disassembling a deep-sea photoelectric separator, used for disassembling a deep-sea photoelectric separator with a rapid disassembly structure according to any one of claims 1 to 6, characterized in that: The assembly steps include: A cable lock nut (3), a sealing plug (4) and a cabin penetration piece (5) are installed at one end of the optical cable (1), the end of the optical cable (1) is stripped to expose the electrical unit (21) and the optical unit (22), the cable lock nut (3) is locked at both ends of the cabin penetration piece (5), and a pre-tightening force is applied to the sealing plug (4) by the cable lock nut (3) to achieve the fixation and sealing of the cabin penetration piece (5) on the optical cable (1), and a section of the outer circle of the optical cable (1) located outside the cabin penetration piece (5) is polished and placed in a mold for vulcanization to obtain a vulcanized layer (2) covering the connection between the cabin penetration piece (5) and the optical cable (1); Install a third sealing ring (27) on the cabin penetration member (5), insert it into the insertion hole (32) of the first end cover (6), and fix it with a sixth fixing screw (26); The water leakage detection plate (11), the high-voltage electrical connector (13), the optical connector (14), and the low-voltage electrical connector (15) are mounted on the second end cover (12), and the first end cover (6) and the second end cover (12) are connected via the first arc panel (81); Connecting the electrical unit (21) to the corresponding high-voltage electrical connector (13) and the low-voltage electrical connector (15), and protecting the connection points with insulating heat shrink tubes, placing the electrical unit (21) in the positioning groove on the mounting plate (101), installing the cover plate (102) on the mounting plate (101), and limiting the electrical unit (21) one by one; The optical unit (22) and the optical connector (14) are connected through the fiber tray (9), and then the second arc panel (82) is installed, and the second fixing screw (19) and the third fixing screw (23) are installed to complete the fixing of the first end cover (6), the splicing bracket (8) and the second end cover (12); The second end cover (12) and the first end cover (6) are pushed into the housing (7), the first end cover (6) is fixed to the end of the housing (7) by the fifth fixing screw (25), and the second end cover (12) is fixed to the housing (7) by the installation pin (16).

8. The method for disassembling and assembling a deep-sea photoelectric separator according to claim 7, characterized in that: The following disassembly steps are also included: Remove the pin (16) and the fifth fixing screw (25), and pull the second end cover (12) and the first end cover (6) out of the housing (7); The second arc panel (82) is opened to expose the insulating positioning member (10) and the fiber coil box (9) to perform maintenance on the optical unit (22) or the electrical unit (21).

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